diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9c1ac0d..ee6e8d4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -68,7 +68,6 @@ IF(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
     set(SED_FREEBSD "*.c.bak")
     find_package(argp REQUIRED)
     add_definitions(-DBSD)
-    set (CMAKE_C_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} -lrt")
 ENDIF(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
 
 IF(${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD")
@@ -98,7 +97,11 @@ if(BUNDLE_CIVETWEB)
     )
     set(LIBCIVETWEB_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/vendor/usr/include")
     set(LIBCIVETWEB_LIBRARIES "${CMAKE_CURRENT_SOURCE_DIR}/vendor/usr/lib/libcivetweb.a")
-    set (CMAKE_C_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} -lpthread")
+    IF(${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD")
+        set (CMAKE_C_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} -lpthread")
+    ELSE(${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD")
+        set (CMAKE_C_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} -lpthread -lrt")
+    ENDIF(${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD")
 else(BUNDLE_CIVETWEB)
     find_package(libcivetweb REQUIRED)
 endif(BUNDLE_CIVETWEB)